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A170841 G.f.: Prod_{k >= 0} (1 + 2x^(2^k-1) + 3x^(2^k)). 0
3, 9, 15, 15, 27, 57, 63, 33, 27, 57, 75, 99, 195, 297, 243, 87, 27, 57, 75, 99, 195, 297, 255, 153, 195, 321, 423, 687, 1179, 1377, 891, 249, 27, 57, 75, 99, 195, 297, 255, 153, 195, 321, 423, 687, 1179, 1377, 903, 315, 195, 321, 423, 687, 1179, 1401, 1071, 849, 1227 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..56.

David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

CROSSREFS

Sequence in context: A310325 A310326 A310327 * A090158 A030342 A273323

Adjacent sequences:  A170838 A170839 A170840 * A170842 A170843 A170844

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 02 2010

STATUS

approved

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Last modified October 16 03:43 EDT 2018. Contains 316259 sequences. (Running on oeis4.)